Details about the forthcoming Senate climate bill are still scarce, alas. As mentioned earlier, the hot rumor of late is that Kerry, Graham, and Lieberman are planning to unveil a plan that would have a cap-and-trade system for emissions from electric utilities and then a separate "carbon fee" for oil and other transportation fuels, with the revenue either getting funneled back to consumers or used for projects that reduce oil consumption. And there are even some signs that this strategy could boost the bill's chances of passage.

Darren Samuelsohn dusts off the crystal ball and tries to figure out if the climate bill can garner 60 votes in the Senate.

In ClimateWire today, Darren Samuelsohn has a valuable profile of Lindsey Graham, who's emerged as the highest-profile swing vote on climate change, especially after his Times op-ed with John Kerry over the weekend urging the Senate to pass legislation. It seems Graham's been particularly impressed by the national-security arguments in favor of curbing America's carbon dependency: